find-broken-symlink.sh

is_broken_symlink() {
    [ -z "`readlink -e -- "$1"`" ]
}

if [ -z "$1" ]; then
    echo "$(basename $0) {search_dir}" >&2
    exit 1
fi
search_dir="$1"
find "$search_dir" -type l -print | while read i
do
    is_broken_symlink "$i" && echo "$i -> `readlink -m -- "$i"`"
done